-----BEGIN PGP SIGNED MESSAGE----- ________________________________________________________________________________ Sun Microsystems, Inc. Security Bulletin Bulletin Number: #00174 Date: September 9, 1998 Cross-Ref: Title: ping ________________________________________________________________________________ The information contained in this Security Bulletin is provided "AS IS." Sun makes no warranties of any kind whatsoever with respect to the information contained in this Security Bulletin. ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING ANY WARRANTY OF NON-INFRINGEMENT OR IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, ARE HEREBY DISCLAIMED AND EXCLUDED TO THE EXTENT ALLOWED BY APPLICABLE LAW. IN NO EVENT WILL SUN MICROSYSTEMS, INC. BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT, SPECIAL, INDIRECT, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES HOWEVER CAUSED AND REGARDLESS OF ANY THEORY OF LIABILITY ARISING OUT OF THE USE OF OR INABILITY TO USE THE INFORMATION CONTAINED IN THIS SECURITY BULLETIN, EVEN IF SUN MICROSYSTEMS, INC. HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. If any of the above provisions are held to be in violation of applicable law, void, or unenforceable in any jurisdiction, then such provisions are waived to the extent necessary for this disclaimer to be otherwise enforceable in such jurisdiction. ________________________________________________________________________________ 1. Bulletins Topics Sun announces the release of patches for Solaris(tm) 2.6, 2.5.1, 2.5, 2.4, 2.3 (SunOS(tm) 5.6, 5.5.1, 5.5, 5.4, 5.3), SunOS 4.1.4 and 4.1.3_U1 which relate to a vulnerability in the ping program. Sun recommends that you install the patches listed in section 4 immediately on systems running SunOS 5.6, 5.5.1, 5.5, 5.4, 5.3, 4.1.4 and 4.1.3_U1. 2. Affected Supported Versions SunOS versions 5.6, 5.6_x86, 5.5.1, 5.5.1_x86, 5.5, 5.5_x86, 5.4, 5.4_x86, 5.3, 4.1.4 and 4.1.3_U1 3. Understanding the Vulnerability The ping utility uses the ICMP protocol's ECHO_REQUEST datagram to elicit an ICMP ECHO_RESPONSE from the specified host or network gateway. A buffer overflow has been discovered in the ping program which could be exploited by local users to gain root access. 4. List of Patches The following patches are available in relation to the above problem. SunOS Patch ID _____ _________ SunOS 5.6 106448-01 SunOS 5.6_x86 106449-01 SunOS 5.5.1 103699-02 SunOS 5.5.1_x86 103700-02 SunOS 5.5 106446-01 SunOS 5.5_x86 106447-01 SunOS 5.4 106451-01 SunOS 5.4_x86 106452-01 SunOS 5.3 106450-01 SunOS 4.1.4 103297-02 SunOS 4.1.3_U1 106546-01 _______________________________________________________________________________ APPENDICES A. Patches listed in this bulletin are available to all Sun customers via World Wide Web at: B. Checksums for the patches listed in this bulletin are available via World Wide Web at: C. Sun security bulletins are available via World Wide Web at: D. Sun Security Coordination Team's PGP key is available via World Wide Web at: E. To report or inquire about a security problem with Sun software, contact one or more of the following: - Your local Sun answer centers - Your representative computer security response team, such as CERT - Sun Security Coordination Team. Send email to: security-alert@sun.com F. 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This Security Bulletin may be reproduced and distributed, provided that this Security Bulletin is not modified in any way and is attributed to Sun Microsystems, Inc. and provided that such reproduction and distribution is performed for non-commercial purposes. -----BEGIN PGP SIGNATURE----- Version: 2.6.2 iQCVAwUBNfbEPrdzzzOFBFjJAQHs6gP9HvwQi7ZZWuS0kfn0IGWc0c7OF7FgbM5Q t1wtQYu/aeCDrU40mrEfJqe5Gh5Zaw1oEw4rAIHCOVqfS4BHof8463WaF5Q1uBJo JqemIgiEhWwK8QPy6woqRGUF+NSzJcz+NJvodS+PE8liBf6xdKURUbBjCqd86Bdy RsWmZyQxKd0= =aTLN -----END PGP SIGNATURE-----